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UNCOUNTABLE_BOOT_VOLUME ERROR preventing boot

I am trying to get this Toshiba Satellite L655-s5115 into Windows 7. I am getting the UNMOUNTABLE_BOOT_VOLUME blue screen.

I put an Windows 8.1 install disc is, to use the repair feature, but it just hangs after the Windows logo disappears.

I used a Windows Recovery Drive USB, it works. None of the recovery/restore options have worked. I have gone into command prompt, but the f:(which has most of the files) is not accessible. C: has two directories related to booting.

Also, Ubuntu on USB works great, I backed-up the personal files using it.

Sfc & chkdisk both fail for different reasons.

Any suggestions?

Answered! View the answer I have this problem too

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Since the system appears to boot fine from a USB drive I would recommend turning the system off and reseating the hard drive. If it continues to fail I would test the system with another hard drive.

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Good advice, I did reseat the drive, no success. Since it is also failing a Windows CD boot, I am not stumped.

I would try a new HHD, but they gave up on it.

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Since it is booting Ubuntu from USB I would recommend creating a Windows 10 bootable USB drive, however this will require access to a working Windows computer.

https://www.microsoft.com/en-us/software...

You should be able to reinstall Windows 10 with the USB drive with no problem due to the way Microsoft handled the upgrade process. This will also give you a clean install if you choose to format the hard drive during installation.

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This is a great option, and should be very helpful in future repairs. Thanks!

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if you have the windows 7.1 disk i would suggest doing a clean reinstall.

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Unfortunately, the key is not reusable.

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